Marathon Bank
Wausau, WI
IDRSSD: 596978
Total Assets
$247.63M
Latest filing
Total Deposits
$185.73M
Latest filing
Net Interest Margin
3.56%
Profitability
Routing numbers
Primary routing transit numbers associated with this institution.
1 routeView all→
275970020WAUSAU, WI
Key People
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Locations
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Main Office
Marathon Bank
500 Scott St
Wausau, WI 54403
Full Service - Brick and Mortar
Updated 01/30/2026Established 01/01/1902FDIC Certificate 42579
Branches (4)
Page 1 of 1| Name | Address | City / State |
|---|---|---|
| Marathon Bank (Main) | 500 Scott St | Wausau, WI |
| MOSINEE BRANCH | 307 3rd St | Mosinee, WI |
| ROTHSCHILD BRANCH | 1133 E Grand Ave | Rothschild, WI |
| MEQUON BRANCH | 11315 N Cedarburg Rd | Mequon, WI |
| BROOKFIELD BRANCH | 19105 W Capitol Drive | Brookfield, WI |
Showing 4 of 4
Quarterly Trends
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Total Assets vs Total Liabilities
Loans & Leases vs Deposits
Interest Income vs Expense
Net Interest Income
Noninterest Expense vs Income
Net Income
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Institution Profile
| Institution Class | State chartered stock savings banks / S&L |
| Primary Regulator | FDIC |
| Established Date | 01/01/1902 |
| Community Bank | Yes |
| Ownership Type | Not Mutual |
| ZIP | 54403 |
| State and County Number | 55073 |
| Subchapter S Corporations | No |
| Trust Powers | N/A |
| Federal Reserve ID Number | 07 |
| Numeric code | 41 |
| Insured by FDIC | Institutions that are currently open and insured by the FDIC |
| Federal Reserve District | Chicago |
| Core Based Statistical Area Name | Wausau-Weston, WI |
Operational Info
| Number of Employees | 35 |
| Domestic Offices | 5 |
| Foreign Offices | 0 |
| US Offices | 0 |
| Directly owned by another bank (CERT) | No |
| Last Structure Change Effective Date | 08/31/2022 |
| Date of Deposit Insurance | 08/09/1989 |
| Primary Insurance Agency | DIF |
| Website | WWW.MARATHONBANK.COM |
| Data Updated | 01/30/2026 |
| CERT | 29745 |
| Office of The Comptroller District: | — |
| Office of Thrift Supervision Region | N/A |
Financial Summary
| Total Assets | $247.63M |
| Total Deposits | $185.73M |
| Total Liabilities | $210.51M |
| Total Equity Capital | $37.12M |
| Net Income | $590.00k |
| Net Loans and Leases | $211.58M |
| Assets Per Employee ($Millions) | $7.28M |
| Bank Premises and Fixed Assets | $3.65M |
| Cash and Balances due from Depository Institutions | $12.91M |
| Deposits Held in Domestic Offices | $185.73M |
Key Performance Ratios
| Return on Assets (ROA) | 0.96% |
| Return on Equity (ROE) | 6.42% |
| Net Interest Margin | 3.56% |
| Efficiency Ratio | 67.12% |
| Tier 1 Risk-Based Capital Ratio | 0% |
| Net Loans and Leases to Core Deposits | 0% |
| Credit Loss Provision to Assets | 0.05% |
| Cash Dividends to Net Income (YTD Only) | 0% |
| Equity Capital to Assets | 14.991% |
| Earning Assets to total Assets | 91.98% |
Income and Expense
| Total Interest Income | $2.95M |
| Total Noninterest Income | $211.00k |
| Total Interest Expense | $934.00k |
| Total Noninterest Expense | $1.50M |
| Net Interest Income | $2.02M |
| Pre-tax Net Operating Income | $700.00k |
| Provision for Credit Losses | $33.00k |
| Discontinued Operations (Extraordinary Gains - Net) | $0 |
Additional Financial Info
| Goodwill and Other Intangibles | $0 |
| All Other Assets | — |
| Other Real Estate Owned | $1.02M |
| Other borrowed funds | $21.06M |
| Federal Funds Sold & Reverse Repurchase Agreement | $926.00k |
| Federal Funds Purchased and Repurchased Agreement | $0 |
| All Other Liabilities | $3.73M |
| Total Liabilities and Capital | $247.63M |
Securities
| Securities | $4.53M |
| Available-for-sale debt securities | $4.06M |
| Equity securities with readily determinable fair values not held for trading | — |
| Held-to-maturity securities | $465.00k |
| Subordinated Debt | $0 |
| Trading Account Assets | $0 |
| Trading Liabilities | $0 |
Frequently Asked Questions
What are the total assets of Marathon Bank?
$247.63M as of the latest filing.
How much are Marathon Bank's total deposits?
$185.73M in total deposits.
Where is Marathon Bank located?
Wausau, WI.
What is the Net Interest Margin?
3.56%.
How many domestic offices does it operate?
5.
When was it established?
01/01/1902.
What is the Return on Assets (ROA)?
0.96%.
How much are total loans and leases?
$211.58M (latest filing).
What is the total interest income (latest filing)?
$2.95M.